R5F211B1SP#U0 Renesas Electronics America, R5F211B1SP#U0 Datasheet - Page 195

• Manufacturer Part Number: R5F211B1SP#U0
• Description: IC R8C MCU FLASH 4K 20SSOP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/1Br

Specifications of R5F211B1SP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SIO, SSU, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 13
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 384 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-SSOP
• For Use With: R0K5211B4S001BE - KIT STARTER FOR R8C/18191A1BR0K5211B4S000BE - KIT DEV EVALUATION R8C/1BR0E521174CPE10 - EMULATOR COMPACT R8C/18/19/1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/1A Group, R8C/1B Group
Rev.1.30
REJ09B0252-0130
Figure 16.7
SS Mode Register 2
b7 b6 b5 b4
NOTES :
1.
2.
3.
4.
5.
Refer to 16.2.2.1 Relationship betw een Data I/O Pin and SS Shift Register for information on combinations of
data I/O pins.
The SCS
(clock synchronous communication mode).
This bit functions as the SCS input pin before starting transfer.
The BIDE bit is disabled w hen the SSUMS bit is set to 0 (clock synchronous communication mode).
Refer to 16.2.8.1 Accessing Registers Associated w ith Clock Synchronous Serial I/O w ith Chip Select for
more information.
Dec 08, 2006
b3 b2 b1
_____
SSMR2 Register
pin functions as a port, regardless of the values of bits CSS0 and CSS1 w hen the SSUMS bit is set to 0
b0
(5)
Bit Symbol
SSUMS
SCKOS
Symbol
SSMR2
SOOS
CSOS
SCKS
CSS0
CSS1
BIDE
Page 177 of 315
Clock synchronous serial I/O w ith
chip select mode select bit
_____
SCS
bit
Serial data open drain output
select bit
SSCK pin open drain output
select bit
_____
SCS
SSCK pin select bit
Bidirectional mode enable bit
pin open drain output select 0 : CMOS output
pin select bits
(1)
Address
Bit Name
00BDh
(2)
(1)
(1, 4)
0 : Clock synchronous communication mode
1 : Four-w ire bus communication mode
1 : NMOS open drain output
0 : CMOS output
1 : NMOS open drain output
0 : CMOS output
1 : NMOS open drain output
0 : Functions as port.
1 : Functions as serial clock pin.
0 : Standard mode (communication using 2
1 : Bidirectional mode (communication using
b5 b4
0 0 : Functions as port.
0 1 : Functions as SCS
1 0 : Functions as SCS
1 1 : Functions as SCS
pins of data input and data output)
1 pin of data input and data output)
16. Clock Synchronous Serial Interface
After Reset
Function
_____
_____
_____
00h
input pin.
output pin.
output pin.
(3)
(3)
RW
RW
RW
RW
RW
RW
RW
RW
RW